Peel-off resistant alumina bricks
Peel-off resistant alumina bricks are made of bauxite,fired at high temperature and mold by high pressure,the product has excellent resistance to spalling and corrosion resistant,can be used in cement kiln door enclosures,cooling machine parts and so on.
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Description
| Item | Unit | Index
KBL-70 |
Index
KBL-80 |
| Al2O3≥ | % | 70 | 80 |
| Apparent porosity≤ | % | 25 | 24 |
| Pressure resistance at normal temp.≥ | Mpa | 60 | 70 |
| Softening temp.under 0.2Mpa load ≥ | ℃ | 1500 | 1520 |
| Heat and shock stability(1100℃ water cooling)≥ | Times | 15 | 20 |
| Reheating linear change (1450℃x2h) | % | 0~-0.4 | +0.2~-0.2 |
